This document describes the replication files associated with the paper:
Taka-aki Asano. 2022. "Ideological Extremism and Political Participation in Japan." Social Science Japan Journal.

Instructions for the analyses of JES data:
Get the data of the Japanese Electoral Study (JES) and put them in your working directory. You can get the JESIII and JESIV data from the SSJDA website (JESIII: https://ssjda.iss.u-tokyo.ac.jp/Direct/gaiyo.php?lang=eng&eid=0530, JESIV: https://ssjda.iss.u-tokyo.ac.jp/Direct/gaiyo.php?eid=0999). You need to apply to use the data of JESV on the project website (https://jesproject.wixsite.com/jesproject).

Instructions for the analyses of UTAS data:
Download the data of the UTokyo-Aasahi Survey from the project website (http://www.masaki.j.u-tokyo.ac.jp/utas/utasindex_en.html) and put them in your working directory.

If you have any questions or find any problems with the files, please feel free to contact the author.
